Supercell over Laramie
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Wyoming Snow Precipitation Update


United States Natural Resources Water and Climate Center Department of Conservation Portland, Oregon Agriculture Service S N O W - P R E C I P I T A T I O N U P D A T E Based on Mountain Data from NRCS SNOTEL Sites As of WEDNESDAY: NOVEMBER 3 , 2010 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.6 .8 200* 4.2 2.3 183 COTTONWOOD CREEK 7670 2.3 1.1 209* 5.3 3.4 156 GRAND TARGHEE 9260 6.0 -M * 5.8 -M * GRANITE CREEK 6770 1.1 .7 157* 3.2 2.0 160 GRASSY LAKE 7265 1.7 1.8 94* 5.0 3.8 132 GROS VENTRE SUMMIT 8750 1.5 1.6 94 1.9 2.0 95 GUNSIGHT PASS 9820 2.0 -M * 2.6 -M * LEWIS LAKE DIVIDE 7850 3.7 1.6 231* 5.5 3.6 153 PHILLIPS BENCH 8200 3.6 1.7 212* 4.6 2.7 170 SALT RIVER SUMMIT 7760 .2 .5 40* 2.9 2.2 132 SNAKE RIVER STATION 6920 .9 .8 113* 3.9 2.5 156 SPRING CREEK DIVIDE 9000 2.9 1.8 161* 4.3 2.9 148 THUMB DIVIDE 7980 1.3 1.0 130* 2.3 2.3 100 TOGWOTEE PASS 9580 3.5 2.9 121 4.3 3.2 134 TWO OCEAN PLATEAU 9240 3.9 3.4 115 3.5 3.4 103 WILLOW CREEK 8380 2.3 2.2 105* 6.0 4.1 146 ----- ----- Basin wide percent of average 139* 141 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 2.2 3.0 73 2.6 2.4 108 BLACK BEAR 8170 2.8 3.1 90* 4.9 4.0 123 CANYON 7870 .3 .8 38* 1.9 2.1 90 FISHER CREEK 9100 2.2 3.1 71* 3.4 3.7 92 MADISON PLATEAU 7750 1.1 1.8 61* 2.8 2.8 100 NORTHEAST ENTRANCE 7350 .0 .4 0* 2.2 1.7 129 PARKER PEAK 9400 1.6 2.9 55 2.7 2.6 104 SYLVAN LAKE 8420 1.0 2.3 43* 2.7 2.9 93 THUMB DIVIDE 7980 1.3 1.0 130* 2.3 2.3 100 TWO OCEAN PLATEAU 9240 3.9 3.4 115 3.5 3.4 103 WHISKEY CREEK 6800 .0 .9 0* 2.2 2.5 88 WHITE MILL 8700 1.7 2.2 77* 2.9 3.0 97 WOLVERINE 7650 .0 .6 0* 1.7 2.0 85 ----- ----- Basin wide percent of average 71* 101 WIND RIVER BURROUGHS CREEK 8750 1.7 1.1 155* 2.0 1.9 105 CASTLE CREEK 8400 .0 -M * .9 -M * COLD SPRINGS 9630 .6 1.2 50 1.1 2.2 50 DEER PARK 9700 1.8 2.8 64 2.5 2.9 86 HOBBS PARK 10100 1.1 2.5 44 1.5 2.4 63 LITTLE WARM 9370 1.2 1.2 100* 1.3 2.0 65 SOUTH PASS 9040 .9 1.7 53* 1.8 2.4 75 ST. LAWRENCE ALT 8620 .0 1.1 0 .6 1.9 32 TOGWOTEE PASS 9580 3.5 2.9 121 4.3 3.2 134 TOWNSEND CREEK 8700 .0 1.2 0 1.7 2.4 71 ----- ----- Basin wide percent of average 69 79 BIGHORN BASIN BALD MTN. 9380 2.7 3.1 87 3.1 2.7 115 BEAR TRAP MEADOW 8200 .5 .7 71 1.9 1.9 100 BLACKWATER 9780 2.7 3.4 79 3.0 3.0 100 BONE SPRINGS DIV 9350 1.6 2.8 57 1.6 2.8 57 EVENING STAR 9200 2.5 3.1 81* 3.5 3.2 109 GRAVE SPRINGS 8550 .7 1.4 50 1.2 2.3 52 KIRWIN 9550 1.4 2.1 67 1.8 2.0 90 MARQUETTE 8760 .0 2.1 0 1.0 2.5 40 MIDDLE POWDER 7760 .5 1.5 33 1.0 2.9 34 OWL CREEK 8975 .0 1.0 0 .7 1.3 54 POWDER RIVER PASS 9480 2.2 1.4 157 3.0 2.1 143 SHELL CREEK 9580 2.2 2.9 76 1.9 2.3 83 SYLVAN LAKE 8420 1.0 2.3 43* 2.7 2.9 93 SYLVAN ROAD 7120 .0 .6 0* 2.3 2.4 96 TIMBER CREEK 7950 .0 1.3 0 .5 1.8 28 YOUNTS PEAK 8350 1.4 1.7 82* 2.1 2.1 100 ----- ----- Basin wide percent of average 62 82 SHOSHONE RIVER BLACKWATER 9780 2.7 3.4 79 3.0 3.0 100 EVENING STAR 9200 2.5 3.1 81* 3.5 3.2 109 KIRWIN 9550 1.4 2.1 67 1.8 2.0 90 MARQUETTE 8760 .0 2.1 0 1.0 2.5 40 SYLVAN LAKE 8420 1.0 2.3 43* 2.7 2.9 93 SYLVAN ROAD 7120 .0 .6 0* 2.3 2.4 96 YOUNTS PEAK 8350 1.4 1.7 82* 2.1 2.1 100 ----- ----- Basin wide percent of average 59* 91 POWDER-TONGUE BEAR TRAP MEADOW 8200 .5 .7 71 1.9 1.9 100 BIG GOOSE 7990 .0 1.0 0* 1.9 2.3 83 BONE SPRINGS DIV 9350 1.6 2.8 57 1.6 2.8 57 BURGESS JUNCTION 7880 .0 1.8 0 1.6 2.4 67 CLOUD PEAK RESERVOIR 9860 1.2 1.9 63 2.7 2.9 93 DOME LAKE 8880 .4 2.1 19 2.0 2.8 71 GRAVE SPRINGS 8550 .7 1.4 50 1.2 2.3 52 HANSEN SAWMILL 8360 .0 1.0 0 .8 2.0 40 LITTLE GOOSE 8870 .0 -M * 3.1 -M * MIDDLE POWDER 7760 .5 1.5 33 1.0 2.9 34 POWDER RIVER PASS 9480 2.2 1.4 157 3.0 2.1 143 SOLDIER PARK 8720 .0 -M * 1.2 -M * SUCKER CREEK 8880 .8 1.6 50 1.5 2.6 58 TIE CREEK 6870 .0 .9 0 1.2 2.7 44 ----- ----- Basin wide percent of average 44 69 BELLE FOURCHE BLIND PARK 6890 .0 .8 0* 4.7 2.8 168 COLE CANYON 5910 .0 1.1 0 1.7 2.0 85 NORTH RAPID CREEK 6130 .0 .6 0* 3.9 2.7 144 ----- ----- Basin wide percent of average 0* 137 UPPER N. PLATTE RIVER COLUMBINE 9160 2.4 1.1 218* 5.8 2.7 215 DIVIDE PEAK 8880 .7 2.0 35* 3.3 3.0 110 ELK RIVER 8700 .7 .8 88* 3.8 2.4 158 JOE WRIGHT 10120 3.9 2.9 134 7.7 3.8 203 NORTH FRENCH CREEK 10130 3.8 3.5 109 4.9 3.7 132 OLD BATTLE 10000 4.5 3.5 129* 6.1 4.0 153 SAGE CREEK BASIN 7850 .0 1.2 0* 3.0 1.8 167 SOUTH BRUSH CREEK 8440 .7 .9 78* 3.3 2.9 114 TOWER 10500 8.4 4.2 200* 9.8 4.5 218 WEBBER SPRINGS 9250 1.8 2.2 82* 5.5 3.5 157 WILLOW CREEK PASS 9540 2.8 1.4 200* 4.4 2.2 200 ----- ----- Basin wide percent of average 125* 167 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 2.5 2.5 100* 4.1 2.8 146 CASPER MTN. 7900 .2 2.0 10 2.8 2.8 100 DEADMAN HILL 10220 2.7 2.5 108 5.1 2.7 189 DEER PARK 9700 1.8 2.8 64 2.5 2.9 86 LAPRELE CREEK 8375 .3 1.2 25 1.6 2.1 76 RENO HILL 8400 .6 1.9 32 2.3 2.8 82 ROACH 9700 2.1 1.4 150* 4.2 2.6 162 SAND LAKE 10050 4.7 3.8 124 4.9 3.4 144 SOUTH PASS 9040 .9 1.7 53* 1.8 2.4 75 WINDY PEAK 7900 .1 .7 14* 2.3 1.9 121 ----- ----- Basin wide percent of average 78 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .6 0* 3.6 2.1 171 DIVIDE PEAK 8880 .7 2.0 35* 3.3 3.0 110 OLD BATTLE 10000 4.5 3.5 129* 6.1 4.0 153 SANDSTONE RS 8150 -M .6 * 4.1 2.6 158 WHISKEY PARK 8950 2.5 2.1 119* 5.1 3.3 155 ----- ----- Basin wide percent of average 94* 148 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.3 1.4 93* 2.5 2.0 125 BLIND BULL SUM 8650 3.4 2.0 170* 2.7 2.5 108 EAST RIM DIVIDE 7930 .5 .8 63* 1.5 1.5 100 ELKHART PARK G.S. 9400 1.0 1.0 100* 1.8 2.2 82 GROS VENTRE SUMMIT 8750 1.5 1.6 94 1.9 2.0 95 GUNSIGHT PASS 9820 2.0 -M * 2.6 -M * KENDALL R.S. 7740 .4 .9 44* 2.1 1.8 117 LOOMIS PARK 8240 1.3 1.1 118* 2.4 2.1 114 NEW FORK LAKE 8340 .9 .7 129* 1.3 1.8 72 POCKET CREEK 9360 1.5 -M * 2.4 -M * SNIDER BASIN 8060 1.6 .9 178* 3.0 1.8 167 SPRING CREEK DIVIDE 9000 2.9 1.8 161* 4.3 2.9 148 TRIPLE PEAK 8500 3.1 1.5 207* 5.0 2.5 200 ----- ----- Basin wide percent of average 131* 123 LOWER GREEN RIVER HAMS FORK 7840 .1 .5 20* 2.4 1.6 150 HEWINTA 9519 .0 1.0 0* 3.2 2.6 123 HICKERSON PARK 9145 .0 .6 0* 1.4 1.9 74 HOLE-IN-ROCK 9150 .3 .6 50* 2.0 1.8 111 INDIAN CREEK 9425 2.3 1.9 121* 3.6 2.9 124 KELLEY R.S. 8180 1.6 1.2 133* 3.8 2.4 158 STEEL CREEK PARK 10200 1.6 1.8 89* 3.7 2.6 142 ----- ----- Basin wide percent of average 78* 127 UPPER BEAR RIVER BUG LAKE 7950 1.3 1.5 87* 4.3 2.6 165 HAYDEN FORK 9212 1.1 1.0 110* 5.6 2.7 207 KELLEY R.S. 8180 1.6 1.2 133* 3.8 2.4 158 LILY LAKE 9156 1.2 1.1 109* 4.5 2.7 167 MONTE CRISTO 8960 1.6 1.8 89* 4.5 3.1 145 SALT RIVER SUMMIT 7760 .2 .5 40* 2.9 2.2 132 TRIAL LAKE 9992 4.1 2.2 186* 6.3 3.1 203 ----- ----- Basin wide percent of average 119* 170 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values If the Basin wide percent of average value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average value for those sites on this day. The TOTAL PRECIPITATION Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the average value for those sites on this day. Contact your state water supply staff for assistance. Reference period for average conditions is 1971-2000. Provisional data, subject to revision. ---------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Normal Snow Water Equivalent and Total Precipitation values If the Basin Index (%) value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Median represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the Median value for those sites on this day. The TOTAL PRECIPITATION Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the Average value for those sites on this day. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1981-2010. Provisional data, subject to revision. * Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median for the day is less than 10% of the maximum median value for the year. * Basin - More than half of the sites within the basin are flagged with *, preventing the calculation of a meaningful basin index. The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians (for snow water equivalent) or averages (for precipitation) and the resulting fraction multiplied by 100.